Can I inject a service into a directive in AngularJS?

I am trying to inject a service into a directive like below:

 var app = angular.module('app',[]);
 app.factory('myData', function(){
     return {
        name : "myName"
     }
 });
 app.directive('changeIt',function($compile, myData){
    return {
            restrict: 'C',
            link: function (scope, element, attrs) {
                scope.name = myData.name;
            }
        }
 });

But this is returning me an error Unknown provider: myDataProvider. Could someone please look into the code and tell me if I am doing something wrong?